214 CHAPTER 11: 802.1X CONFIGURATION
By default, the keys of RADIUS authentication/authorization and accounting
packets are all “3com”.
Setting Retransmission
Times of RADIUS
Request Packet
Since RADIUS protocol uses UDP packets to carry the data, the communication
process is not reliable. If the RADIUS server has not responded to NAS before
timeout, NAS has to retransmit the RADIUS request packet. If it transmits more
than the specified
retry-times, NAS considers the communication with the
primary and secondary RADIUS servers has been disconnected.
You can use the following command to set the retransmission times of the RADIUS
request packet.
Perform the following configurations in RADIUS Scheme View.
Table 228 Setting Retransmission Times of RADIUS Request Packet
By default, RADIUS request packet will be retransmitted up to three times.
Setting the Supported
Type of the RADIUS
Server
The Switch 4500 supports the standard RADIUS protocol and the extended
RADIUS service platforms.
You can use the following command to set the supported types of RADIUS servers.
Perform the following configurations in RADIUS Scheme View.
Table 229 Setting the Supported Type of the RADIUS Server
By default, the newly created RADIUS scheme supports the server type standard,
while the "system" RADIUS scheme created by the system supports the server
type
3com.
Setting the RADIUS
Server State
For the primary and secondary servers (no matter if they are an
authentication/authorization server or accounting server), if the primary server is
disconnected from the NAS for some fault, the NAS will automatically turn to
exchange packets with the secondary server. However, after the primary server
recovers, the NAS will not resume the communication with it at once, instead, it
continues communicating with the secondary server. When the secondary server
fails to communicate, the NAS will turn to the primary server again. The following
commands can be used to set the primary server to be
active manually, in order
that NAS can communicate with it immediately after a fault has been resolved.
Set RADIUS accounting packet key key accounting string
Restore the default RADIUS accounting packet key undo key accounting
Operation Command
Operation Command
Set retransmission times of RADIUS request packet retry retry_times
Restore the default value of retransmission times undo retry
Operation Command
Setting the Supported Type of RADIUS Server server-type { 3com |
standard }
Restore the RADIUS server type to the default setting undo server_type
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